A person pushes on a stationary 125 N box with 80 N at 30 ? below the horizontal

Question

A person pushes on a stationary 125 N box with 80N at 30? below the horizontal, as shown in the figure. The coefficient of static friction between the box and the horizontal floor is 0.98.(Figure 1) A person pushes on a stationary 125 N box with 80N at 30? below the horizontal, as shown in the figure. The coefficient of static friction between the box and the horizontal floor is 0.98.(Figure 1) A person pushes on a stationary 125 N box with 80N at 30? below the horizontal, as shown in the figure. The coefficient of static friction between the box and the horizontal floor is 0.98.(Figure 1) A person pushes on a stationary 125 N box with 80N at 30? below the horizontal, as shown in the figure. The coefficient of static friction between the box and the horizontal floor is 0.98.(Figure 1) Part A What is the normal force on the box?   n =   N   SubmitMy AnswersGive Up
Part B What is the friction force on the box? Express your answer using two significant figures.   F =   N   SubmitMy AnswersGive Up
Part C The person now replaces his push with a 80N pull at 30? above the horizontal. Find the normal force on the box in this case. Express your answer using two significant figures.   n =   N   SubmitMy AnswersGive Up Provide FeedbackContinue Part A What is the normal force on the box?   n =   N   SubmitMy AnswersGive Up
Part B What is the friction force on the box? Express your answer using two significant figures.   F =   N   SubmitMy AnswersGive Up
Part C The person now replaces his push with a 80N pull at 30? above the horizontal. Find the normal force on the box in this case. Express your answer using two significant figures.   n =   N   SubmitMy AnswersGive Up Part A What is the normal force on the box?   n =   N   SubmitMy AnswersGive Up
Part B What is the friction force on the box? Express your answer using two significant figures.   F =   N   SubmitMy AnswersGive Up
Part C The person now replaces his push with a 80N pull at 30? above the horizontal. Find the normal force on the box in this case. Express your answer using two significant figures.   n =   N   SubmitMy AnswersGive Up Part A What is the normal force on the box?   n =   N   SubmitMy AnswersGive Up
Part B What is the friction force on the box? Express your answer using two significant figures.   F =   N   SubmitMy AnswersGive Up
Part C The person now replaces his push with a 80N pull at 30? above the horizontal. Find the normal force on the box in this case. Express your answer using two significant figures.   n =   N   SubmitMy AnswersGive Up Part A What is the normal force on the box?   n =   N   SubmitMy AnswersGive Up
Part A What is the normal force on the box?   n =   N   SubmitMy AnswersGive Up
  n =   N     n =   N   SubmitMy AnswersGive Up


Part B What is the friction force on the box? Express your answer using two significant figures.   F =   N   SubmitMy AnswersGive Up
Part B What is the friction force on the box? Express your answer using two significant figures.   F =   N   SubmitMy AnswersGive Up
  F =   N     F =   N   SubmitMy AnswersGive Up


Part C The person now replaces his push with a 80N pull at 30? above the horizontal. Find the normal force on the box in this case. Express your answer using two significant figures.   n =   N   SubmitMy AnswersGive Up Part C The person now replaces his push with a 80N pull at 30? above the horizontal. Find the normal force on the box in this case. Express your answer using two significant figures.   n =   N   SubmitMy AnswersGive Up   n =   N     n =   N   SubmitMy AnswersGive Up Provide FeedbackContinue Figure 1 of 1   n =   N   A person pushes on a stationary 125 N box with 80N at 30? below the horizontal, as shown in the figure. The coefficient of static friction between the box and the horizontal floor is 0.98.(Figure 1) What is the normal force on the box? What is the friction force on the box? The person now replaces his push with a 80N pull at 30? above the horizontal. Find the normal force on the box in this case.

Explanation / Answer

a) normal force = Fsin(30) = 40 N

B) friction force = Fcos(30) = 69.28 N

C)normal force = Fsin(60) = 69.28 N

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